Don't take this the wrong way, but I don't really care about how your 2.3 apps were or were not affected. It's not my job to maintain them. The apps I cared about were the apps I had to mantain. And it turns out that if you have tens of thousands of lines of python, you eventually hit a problem that needs to be fixed.
So sure... if you have a 200 line program, maybe you won't hit any code whose semantics have changed. Large apps will (and still do.)
So say “when I worked on a Python project many years, we had a lot of problems with one release” – people might find it weird that you’re bringing up old history but nobody is going to doubt that you personally had an unpleasant experience. It’s okay not to like Python!
What’s getting criticism are these huge sweeping claims like “you rewrite your code every three months” or “syntax and semantics of the language change in non-reverse-compatible ways between every minor release” which you have been completely unable to support or the attempts to dismiss anyone else’s different experiences as somehow less valid.
So sure... if you have a 200 line program, maybe you won't hit any code whose semantics have changed. Large apps will (and still do.)